Home / 13,331,647.60-18,397,673.69-7,220,076.10

Finding the Fourth Proportional to 13,331,647.60, 18,397,673.69 and 7,220,076.10

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Solution

The fourth proportional to 13,331,647.60, 18,397,673.69 and 7,220,076.10 is: 9,963,705.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,331,647.60 : 18,397,673.69 = 7,220,076.10 : x
  2. Step 2: Convert to fraction form
    13,331,647.60/18,397,673.69 = 7,220,076.10/x
  3. Step 3: Cross multiply
    13,331,647.60x = 18,397,673.69 × 7,220,076.10
  4. Step 4: Simplify right side
    13,331,647.60x = 132,832,604,022,673.23
  5. Step 5: Solve for x
    x = 132,832,604,022,673.23/13,331,647.60
  6. Step 6: Final answer
    x = 9,963,705.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.